Show HN: Penmentor – Claude marks up your handwritten math like a teacher
Description and use
Penmentor leverages Claude to annotate handwritten math as if a teacher were grading it. Start by integrating its API into your workflow, then pilot it in a small prototype to validate accuracy. It’s suitable for prototypes and internal use, but you should vet dependencies and maintenance before production deployment.
Use in a workflow
Show HN: Penmentor – Claude marks up your handwritten math like a teacher may be useful when its README and activity match a concrete workflow.
Limitations and review notes
Medium: useful for prototypes or internal workflows, with dependency and maintenance checks before production.
- Source: hackernews
- Record date: 2026-10-20T15:10:54.000Z